/* Level one */
ul.MenuHelper {
    position: relative;
    list-style: none;
    text-align: center;
}

ul.MenuHelper li {
    font-weight: bold;    
    margin: 0px 1px 0px 0px;
    position: relative;    
    display: inline-block;    
}

ul.MenuHelper li a { display: block; padding: 4px 8px }
ul.MenuHelper li:last-child a         { border-right: none; } /* Doesn't work in IE */
ul.MenuHelper li.hover,
ul.MenuHelper li:hover                { position: relative; }
ul.MenuHelper li.hover a              { }

/* Level two */
ul.MenuHelper ul
{
    text-align: left;
    list-style: none;
    width: 220px;
    visibility: hidden;
    position: absolute;
    top: 100%;
    left: 0;
}
ul.MenuHelper ul li {
    font-weight: normal;
    float: none;
    display: block;
}

#header ul.sub_menu li a {
    text-align: left;
}

/* IE 6 & 7 Needs Inline Block */
ul.MenuHelper ul li a {
    border-right: none;
    width: 100%;
    display: inline-block;
}

/*
        LEVEL THREE
*/
ul.MenuHelper ul ul {
    left: 100%;
    top: 0;
}
ul.MenuHelper li:hover > ul {
    visibility: visible;
}